Allow the implementation to return references instead of pointers to the bindings

Source/bindings/scripts/v8_types.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 573 matching lines @@
     'float': 'v8SetReturnValue(info, {cpp_value})',
     'double': 'v8SetReturnValue(info, {cpp_value})',
     # No special v8SetReturnValue* function, but instead convert value to V8
     # and then use general v8SetReturnValue.
     'array': 'v8SetReturnValue(info, {cpp_value})',
     'Date': 'v8SetReturnValue(info, {cpp_value})',
     'EventHandler': 'v8SetReturnValue(info, {cpp_value})',
     'ScriptValue': 'v8SetReturnValue(info, {cpp_value})',
     'SerializedScriptValue': 'v8SetReturnValue(info, {cpp_value})',
     # DOMWrapper
-    'DOMWrapperForMainWorld': 'v8SetReturnValueForMainWorld(info, {cpp_value})',
-    'DOMWrapperFast': 'v8SetReturnValueFast(info, {cpp_value}, {script_wrappable})',
+    'DOMWrapperForMainWorld': 'v8SetReturnValueForMainWorld(info, WTF::getPtr({cpp_value}))',
+    'DOMWrapperFast': 'v8SetReturnValueFast(info, WTF::getPtr({cpp_value}), {script_wrappable})',
     'DOMWrapperDefault': 'v8SetReturnValue(info, {cpp_value})',
 }
 
 
 def v8_set_return_value(idl_type, cpp_value, extended_attributes=None, script_wrappable='', release=False, for_main_world=False):
     """Returns a statement that converts a C++ value to a V8 value and sets it as a return value.
 
     release: for union types, can be either False (False for all member types)
              or a sequence (list or tuple) of booleans (if specified
              individually).
@@ skipping 51 matching lines @@
 
 
 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', creation_context='', extended_attributes=None):
     """Returns an expression that converts a C++ value to a V8 value."""
     # the isolate parameter is needed for callback interfaces
     idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, extended_attributes)
     this_v8_conversion_type = v8_conversion_type(idl_type, extended_attributes)
     format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type]
     statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creation_context=creation_context)
     return statement